How to Fix QuickBooks Error H101?

You might not be able to view the company file in multi-user mode due to the QuickBooks error H101. Let’s go through the reasons behind this error and know the solutions to resolve it. If the error is related to a corrupted company file, you can quickly and simply fix the corrupted file by using the QuickBooks file repair software that was stated in this article.

One advantage of using the QuickBooks application is that it allows you to work in multi-user mode. This means that various individuals can simultaneously view the QuickBooks company file. The H101 error may sometimes appear while attempting to open the company file in multi-user mode or when switching to multi-user mode. You might not be able to access the company file data as a result. Usually, incorrect configuration settings are the cause of the issue. However, there are various causes for this H Series error. We will discuss the causes of the QuickBooks issue H101 in this post and offer solutions along with step-by-step directions to fix it.

What Causes the Error H101 in QuickBooks?

The multi-user connection between the server system and workstations is being blocked, as indicated by the QuickBooks error H101. On workstations, it may occur if the Host Multi-User Access option is enabled. Only the server hosting the company file should have this option enabled. The H101 related is related to many other factors, though. Listed below are a few of them:

  • The company file is corrupted.
  • The QuickBooks services are not running.
  • Incorrect Firewall Settings.
  • QuickBooks cannot access the company file because of security software.
  • The QuickBooks program is not up to date.
  • Missing or damaged Network Data (.ND) and Transaction Log (.TLG) files
  • Network configuration problems on a workstation or server
  • The path you are using to access the company file is wrong.
  • Incorrect DNS configuration

How to Deal with QuickBooks Error H101?

Below are some workarounds you can try to resolve the error H101

  • It’s possible that the connection to the server or company file is being blocked by your system’s firewall. In the Firewall Settings, you may check if any QuickBooks programs or files are exempt. Reconfigure the Firewall Settings accordingly.
  • You might not be able to change the network folder if the folder permissions are insufficient. You can check the folder permissions and provide the necessary permissions if you run into the H101 issue when trying to access the company file that is stored on a network.
  • Verify if the Database Server Manager is turned on. You can check the Server Manager settings (QuickBooksDBXX) on your server system. QuickBooksDBXX can be restarted to reset the configuration settings.
  • Using an outdated version of QuickBooks Desktop might also result in errors and issues. Thus, make sure your QuickBooks application is up to date. To do this, hit F2 to see the Product Information box and make sure QuickBooks is up to date. Install the latest updates if it hasn’t been updated.

What are the methods to fix the QuickBooks Error H101?

Use the steps listed below if the above-mentioned solutions are unable to resolve the QuickBooks problem H101.

Method 1 – Recreate Transaction Log/Network Data Files

Important configuration files that enable the QuickBooks application to access the company file on a network are the Transaction Log (.TLG) and Network Data (.ND) files. The QuickBooks error H101 may appear if any of these files are lost, corrupted, or damaged. To fix the problem, you can recreate these files. Simply rename these files to make them again. The steps are as follows:

  • You can go to the Company file folder. On a Windows system, C:\Users\Public\PublicDocuments\Intuit\QuickBooks\Company Files is the default location.
  • Find the file ending in.TLG. It is the same file name as your company file, but it ends in.tlg. For example, company_file.qbw.tlg.
  • Then you have to right-click on it and then you have to click on the Rename option.
  • Likewise, to rename.ND files, locate the file in the corporate file folder, perform a right-click, and select Rename.

Then, you have to rename it.ND files, and then you have to search for the .ND file in the company file folder, now you have to right-click on it and then you have to click Rename.

Method 2 – Check the Hosting Settings

One of the main reasons for the QuickBooks issue H101 is incorrect hosting settings. Verify that the hosting settings on your workstations and server system are correct.

Few steps to check and change the Hosting settings on the Server system:

  • On the server system, you can open the QuickBooks application.
  • Then you have to click File and then click on Utilities.
  • Now you have to click Host Multi-User Access and then you have to click Yes.

Few steps to check and change the Hosting settings on a workstation:

  • Open your QuickBooks application
  • After selecting File, select Utilities.
  • Select the “Stop Hosting Multi-user Access” option.
  • Then you have to click Yes.

To change the hosting settings on other workstations, use the same process.

Method 3 – Use QuickBooks Tool Hub

QuickBooks Tool Hubs is a software that is provided by Intuit. It can help in resolving typical problems with the network, business files, etc. You can use QuickBooks Tool Hub to fix network-related problems if the multi-user connection between the workstations and server has failed. This is how to use the tool:

  • First, you can close QuickBooks on your server system.
  • Install the latest version of the QuickBooks Tool Hub (, download it, then run it.
  • Click the Network Issues link in the QuickBooks Tool Hub.
  • Now you have to click on QuickBooks Database Server Manager.
  • Click Start Scan in the QuickBooks Database Server Manager dialog box.
  • It will repair your Firewall permissions automatically. It also helps in the resolving of any network problems. You can click Close once the scan is completed.

To resolve network problems on the workstations, follow the same steps.

The QuickBooks company file gets corrupted if the issue is not fixed. To fix the company file, use the QuickBooks File Doctor available in the Tool Hub. The steps are as follows:

  • Click Home on the QuickBooks Tool Hub.
  • Then you have to click on Company File Issues.
  • Now, you can click on Run QuickBooks File Doctor.
  • To select the company file, click the on dropdown menu.
  • Now you have to select Check your file and then you have to click on Continue.
  • You are asked to enter your QuickBooks admin credentials in a dialog box. After entering the password, select Next.
  • Depending on the size of the QBW file, the scanning process may take several minutes.
  • Try accessing the company file when the scan is finished to see if the error has been fixed or not.

Also Read: QuickBooks Connection Diagnostic Tool

What else you can do?

A professional QuickBooks repair tool, like ProQB Advisor for QuickBooks, can be used if the QuickBooks File Doctor is unable to restore the corrupted company file. Even if it is severely corrupted it can easily repair a company. All of the data from the corrupt QuickBooks company file can be recovered. This tool is available for download on any Windows computer. All versions of QuickBooks, including Pro, Premier, and Enterprise solutions, are compatible with the tool.


In a multi-user environment, the QuickBooks error H101 error may prevent you from opening the QBW file. The reasons behind this QuickBooks error as well as potential fixes for troubleshooting and effective resolution have been covered above. If the error is being caused by corruption in the QBW file, use a professional QuickBooks repair solution such as ProQBAdvisor for QuickBooks. It can restore all of the data with perfect integrity and fix severely corrupted QBW files.

Frequently Asked Questions (FAQs):

Q1. What is QuickBooks Error H101?

Ans. QuickBooks Error H101 occurs when QuickBooks is trying to start a connection to the company file but cannot communicate with the server due to incorrect hosting configurations or network issues. This error is common when attempting to switch to multi-user mode.

Q2. What causes QuickBooks Error H101?

Ans. Common causes of QuickBooks Error H101 are:

  • Incorrect hosting configuration settings.
  • The server computer’s firewall blocks incoming and outgoing communications.
  • QuickBooks services (like QBDBMgrN) not running on the server.
  • Damaged or corrupted..ND (Network Data) files.
  • Problems with DNS settings.

Q3. How can I verify that QuickBooks Error H101 is related to network issues?

Ans. To verify that Error H101 is related to network issues, use the QuickBooks File Doctor tool:

  1. Download and install QuickBooks Tool Hub.
  2. Open QuickBooks Tool Hub and select “Company File Issues.”
  3. Choose “Run QuickBooks File Doctor.”
  4. Select your company file and let the tool diagnose and fix any network issues.

Q4. What should I do if none of the troubleshooting steps work?

Ans. If none of the steps resolve the issue:

  1. Ensure all QuickBooks components are updated to the latest version.
  2. Reboot all computers.
  3. If the problem persists, consider contacting an expert for further assistance. They can provide more advanced troubleshooting and help resolve the issue.

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